164 lines
3.5 KiB
Java
164 lines
3.5 KiB
Java
import net.runelite.mapping.Export;
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import net.runelite.mapping.Implements;
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import net.runelite.mapping.ObfuscatedGetter;
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import net.runelite.mapping.ObfuscatedName;
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import net.runelite.mapping.ObfuscatedSignature;
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@ObfuscatedName("dn")
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@Implements("Decimator")
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public class Decimator {
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@ObfuscatedName("ig")
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@ObfuscatedGetter(
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intValue = -303993957
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)
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@Export("oculusOrbFocalPointY")
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static int oculusOrbFocalPointY;
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@ObfuscatedName("w")
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@ObfuscatedGetter(
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intValue = -1543125857
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)
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@Export("inputRate")
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int inputRate;
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@ObfuscatedName("t")
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@ObfuscatedGetter(
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intValue = 1624874363
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)
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@Export("outputRate")
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int outputRate;
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@ObfuscatedName("j")
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@Export("table")
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int[][] table;
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public Decimator(int var1, int var2) {
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if (var2 != var1) {
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int var4 = var1;
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int var5 = var2;
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if (var2 > var1) {
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var4 = var2;
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var5 = var1;
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}
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while (var5 != 0) {
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int var6 = var4 % var5;
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var4 = var5;
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var5 = var6;
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}
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var1 /= var4;
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var2 /= var4;
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this.inputRate = var1;
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this.outputRate = var2;
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this.table = new int[var1][14];
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for (int var7 = 0; var7 < var1; ++var7) {
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int[] var8 = this.table[var7];
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double var9 = 6.0D + (double)var7 / (double)var1;
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int var11 = (int)Math.floor(1.0D + (var9 - 7.0D));
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if (var11 < 0) {
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var11 = 0;
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}
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int var12 = (int)Math.ceil(7.0D + var9);
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if (var12 > 14) {
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var12 = 14;
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}
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for (double var13 = (double)var2 / (double)var1; var11 < var12; ++var11) {
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double var15 = 3.141592653589793D * ((double)var11 - var9);
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double var17 = var13;
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if (var15 < -1.0E-4D || var15 > 1.0E-4D) {
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var17 = var13 * (Math.sin(var15) / var15);
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}
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var17 *= 0.54D + 0.46D * Math.cos(((double)var11 - var9) * 0.2243994752564138D);
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var8[var11] = (int)Math.floor(var17 * 65536.0D + 0.5D);
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}
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}
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}
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}
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@ObfuscatedName("h")
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@ObfuscatedSignature(
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descriptor = "([BI)[B",
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garbageValue = "-77952931"
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)
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@Export("resample")
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byte[] resample(byte[] var1) {
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if (this.table != null) {
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int var2 = (int)((long)var1.length * (long)this.outputRate / (long)this.inputRate) + 14;
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int[] var3 = new int[var2];
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int var4 = 0;
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int var5 = 0;
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int var6;
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for (var6 = 0; var6 < var1.length; ++var6) {
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byte var7 = var1[var6];
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int[] var8 = this.table[var5];
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int var9;
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for (var9 = 0; var9 < 14; ++var9) {
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var3[var4 + var9] += var8[var9] * var7;
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}
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var5 += this.outputRate;
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var9 = var5 / this.inputRate;
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var4 += var9;
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var5 -= var9 * this.inputRate;
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}
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var1 = new byte[var2];
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for (var6 = 0; var6 < var2; ++var6) {
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int var10 = var3[var6] + 32768 >> 16;
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if (var10 < -128) {
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var1[var6] = -128;
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} else if (var10 > 127) {
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var1[var6] = 127;
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} else {
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var1[var6] = (byte)var10;
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}
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}
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}
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return var1;
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}
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@ObfuscatedName("v")
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@ObfuscatedSignature(
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descriptor = "(IB)I",
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garbageValue = "-4"
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)
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@Export("scaleRate")
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int scaleRate(int var1) {
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if (this.table != null) {
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var1 = (int)((long)this.outputRate * (long)var1 / (long)this.inputRate);
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}
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return var1;
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}
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@ObfuscatedName("x")
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@ObfuscatedSignature(
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descriptor = "(IB)I",
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garbageValue = "-38"
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)
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@Export("scalePosition")
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int scalePosition(int var1) {
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if (this.table != null) {
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var1 = (int)((long)var1 * (long)this.outputRate / (long)this.inputRate) + 6;
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}
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return var1;
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}
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@ObfuscatedName("x")
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@ObfuscatedSignature(
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descriptor = "(II)Z",
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garbageValue = "319524550"
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)
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public static boolean method2598(int var0) {
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return (var0 >> 21 & 1) != 0;
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}
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}
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